Weather forecast for 10 daysActon, MT
Weather forecast for the weekend
Saturday Oct 17, 2026
- 73°F
- 41°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 20mphWSW 240°
- Humidity: 22%
- UV index: 3
- Sunrise: 7:34 am MDT
- Sunset: 6:25 pm MDT
- details ▼
On Saturday, in Acton, sunshine will take center stage, with just faint traces of clouds.
Substantial temperature fluctuations from a high of a temperate 73.4°F to a low of an icy 41°F are expected.
The higher temperature of 73.4°F is more typical of September than October.
Sunrise was at 7:34 am and sunset will be at 6:25 pm; the daylight will last for 10h and 50min.
Substantial temperature fluctuations from a high of a temperate 73.4°F to a low of an icy 41°F are expected.
The higher temperature of 73.4°F is more typical of September than October.
Sunrise was at 7:34 am and sunset will be at 6:25 pm; the daylight will last for 10h and 50min.
Sunday Oct 18, 2026
- 63°F
- 36°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphE 88°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:36 am MDT
- Sunset: 6:23 pm MDT
- details ▼
Tomorrow, on Sunday, mostly clear with scattered clouds is expected.
Temperature readings will span from a daytime high of an enjoyable 62.6°F to a night low of a wintry 35.6°F.
Tomorrow's temperature peak is set to be slightly warmer than the typical October high of 56.3°F.
Sunrise will be at 7:36 am and sunset at 6:23 pm; tomorrow's daylight will last for 10h and 47min.
Temperature readings will span from a daytime high of an enjoyable 62.6°F to a night low of a wintry 35.6°F.
Tomorrow's temperature peak is set to be slightly warmer than the typical October high of 56.3°F.
Sunrise will be at 7:36 am and sunset at 6:23 pm; tomorrow's daylight will last for 10h and 47min.
10-day overview
Daily temperatures
Warmest day: today 73°C.
Coldest day: Monday 26.10. 46°C.
Coldest day: Monday 26.10. 46°C.
Chance of precipitation
Highest chance: Friday 60%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 73°F
- 41°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 20mphWSW 240°
- Humidity: 22%
- UV index: 3
- Sunrise: 7:34 am MDT
- Sunset: 6:25 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 63°F
- 36°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphE 88°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:36 am MDT
- Sunset: 6:23 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSSW 199°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:37 am MDT
- Sunset: 6:21 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 39°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphWNW 302°
- Humidity: 43%
- UV index: 3
- Sunrise: 7:38 am MDT
- Sunset: 6:20 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphS 174°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:40 am MDT
- Sunset: 6:18 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphSW 214°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:41 am MDT
- Sunset: 6:16 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 61°F
- 39°F
PM Showers
- Precip. probability: 60%
- Precipitation: 0.2"
- Wind: 14mphW 280°
- Humidity: 63%
- UV index: 2
- Sunrise: 7:42 am MDT
- Sunset: 6:15 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 52°F
- 34°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 14mphNW 309°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:44 am MDT
- Sunset: 6:13 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 50°F
- 34°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 11mphNE 55°
- Humidity: 68%
- UV index: 2
- Sunrise: 7:45 am MDT
- Sunset: 6:11 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 46°F
- 36°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 10mphW 274°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:47 am MDT
- Sunset: 6:10 pm MDT
- details ▼
Models point to a combination of cloud-filled, sun-filled and rainy weather is forecasted.
With a 60% probability, rainfall is expected only on Friday. Predicted precipitation will be light at 0.2".
There will be a considerable variation in temperature across the forecast period. Highs will range from 46.4°F to 73.4°F, while the difference in minimum temperatures will be also substantial, as temperatures overnight will fluctuate from 33.8°F up to 48.2°F.
The warmest day is today, with a maximum temperature of 73.4°F; the coldest day will be next Monday, with a maximum of 46.4°F.
With a 60% probability, rainfall is expected only on Friday. Predicted precipitation will be light at 0.2".
There will be a considerable variation in temperature across the forecast period. Highs will range from 46.4°F to 73.4°F, while the difference in minimum temperatures will be also substantial, as temperatures overnight will fluctuate from 33.8°F up to 48.2°F.
The warmest day is today, with a maximum temperature of 73.4°F; the coldest day will be next Monday, with a maximum of 46.4°F.
Updated: Oct 17, 2026 @ 19:46:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Saturday, in Acton, a pleasant, mostly sunny outlook is in place.
Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 41°F.
The maximum temperature will be significantly higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 39.9°F.
The maximum temperature will be significantly higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 39.9°F.
On Saturday, in Acton, sunrise was at 7:34 am and sunset will be at 6:25 pm (MDT).
Today, the daylight will last for 10h and 50min.
On Sunday, in Acton, expect partly sunny skies with periods of cloudiness.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 35.6°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 56.3°F in October. Tomorrow, the lowest temperature will be also relatively lower than the average low temperature.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 56.3°F in October. Tomorrow, the lowest temperature will be also relatively lower than the average low temperature.
On Sunday, in Acton, sunrise will be at 7:36 am and sunset at 6:23 pm (MDT).
Tomorrow, the daylight will last for 10h and 47min.
